Penn State Extension

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In determining whether to make hay, know how much you can harvest and at what point you’re considering mowing.
Challenges and Considerations for Fall Hay Harvest - Articles Articles

Challenges and Considerations for Fall Hay Harvest

Jessica A. Williamson, Ph.D., Paul D. Esker, Adriana Murillo-Williams

Successful management of forage stands in the fall hinges on properly evaluating stands and giving plants enough leaf area to survive the winter. More
Image Credit: Alyssa Collins
Managing the Damage: Understanding Soybean Harvest Quality - News News
As the harvest begins, you may be surprised by the amount of discolored and moldy beans you see. Find out why, and what you can do about it. More
Diplodia ear rot. Photo Credit: Alyssa Collins
Corn Ear Rots and Mycotoxins - Articles Articles

Corn Ear Rots and Mycotoxins

Adriana Murillo-Williams, Alyssa Collins, Ph.D., Paul D. Esker

There are many pathogens that cause ear rots. Identify which ones are associated with mycotoxin contamination! More
Figure 1. Wheat seed and young seedlings affected by Fusarium graminearum (white arrows). (Photo credit: Brandon Wilt, PSU-PPEM.)
Wheat and Barley Diseases: What is in Your Seed? - Articles Articles

Wheat and Barley Diseases: What is in Your Seed?

Adriana Murillo-Williams, Alyssa Collins, Ph.D., Paul D. Esker

Seeds can serve as the vehicle for unwanted plant pathogens and weeds. Avoid the risks! More
Symptoms of white mold as seen in 2018 in a field in Centre County. Image credit: P. Esker
Scouting for White Mold in Soybean - News News
White mold has been found in several soybean production fields in central and northern Pennsylvania. How can we assess the potential impact? More
Mid-ear cutworm injury resulting in subsequent ear mold infection by several pathogens. Image credit: G. Roth
Avoiding Mycotoxins in Grain Corn and Silage - Articles Articles

Avoiding Mycotoxins in Grain Corn and Silage

Alyssa Collins, Ph.D., Paul D. Esker, Adriana Murillo-Williams

Toxins caused by fungi are a real concern in grain corn and silage. Is there anything we can do about it? More
Figure 1. Soybean cyst nematodes females (yellow arrows) and nodules (white arrows) on soybean roots. Photo credit: Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org
Plant Parasitic Nematodes Explained - Articles Articles

Plant Parasitic Nematodes Explained

Adriana Murillo-Williams, Alyssa Collins, Ph.D., Paul D. Esker

Have you noticed a decline in yield without a clear explanation? It could be due to plant parasitic nematodes. More
Recent storms could bring diseases such as southern corn rust to PA. Alyssa Collins photo.
A Soggy Situation for Plant Disease - News News
How are our current wet weather patterns going to affect crop health? More
Figure 1. Soybean field showing variable growth and development at the R1-R2 (flowering) growth stage Photo Credit: P. Esker.
Soybean Stem Diseases: What are the Different Symptoms and Signs? - Articles Articles

Soybean Stem Diseases: What are the Different Symptoms and Signs?

Alyssa Collins, Ph.D., Paul D. Esker, Adriana Murillo-Williams

Soybean growth and development has been variable this year – what might we expect to find as the season progresses? More
White mold can greatly impact soybean yield in Pennsylvania when conditions are favorable for disease development. Credit: Alyssa Collins.
White Mold Considerations in 2018 - News News
White mold has negatively affected soybean production in Pennsylvania in most years since 1996, will 2018 be any different? More
Grey Leaf Spot in corn. Image Credit: Alyssa Collins
Early-season Corn Fungicide Considerations - Articles Articles

Early-season Corn Fungicide Considerations

Alyssa Collins, Ph.D., Paul D. Esker

Does it pay to spray at V5 to V7, or even V10, corn? What factors should we consider before pulling the trigger? More
Scabby Heads. Image Credit: Alyssa Collins, Penn State
What to do if You Have Scab? - Articles Articles

What to do if You Have Scab?

Alyssa Collins, Ph.D., Paul D. Esker

Here’s what to consider when your small grains have been hit hard by a Fusarium head scab epidemic More
Figure 2. Fusarium head blight on barley. Image credit. A. Collins
Fusarium Head Blight Update for the Week of May 14, 2018 - News News
Know your growth stage and risk in relation to fungicide application for Fusarium head blight of small grains. More
When to Pull the Trigger on Wheat Fungicide
When to Pull the Trigger on Wheat Fungicide - News News
How do you make the decision to spray when you face both foliar and head diseases? More
Bin-run seed lacks the quality of certified seed. Photo credit: Alyssa Collins
Bin-run Seed: Associated Risks for Soybean Production - Articles Articles

Bin-run Seed: Associated Risks for Soybean Production

Adriana Murillo-Williams, Alyssa Collins, Ph.D., Paul D. Esker

Before you try to save money by planting farm-saved seed, know the hidden costs! More
Treated (left) and non-treated (right) soybean seeds. Photo credit: Paul Esker & Alyssa Collins, Penn State.
Seed Selection Based on Disease Resistance Ratings - Articles Articles

Seed Selection Based on Disease Resistance Ratings

Paul D. Esker, Alyssa Collins, Ph.D.

Make choices for a healthy crop next season before putting even one seed in the ground. More
Figure 1. Different stalk rots of corn are known to occur in Pennsylvania. Photo Credit: Ayllssa Collins
Scouting for Stalk Rots in Corn - News News

Scouting for Stalk Rots in Corn

09/27/2017

An increase in stalk rots is possible as we move into harvest season. Learn the characteristics of five common stalk rots. More
Identifying Late Season Foliar Diseases in Forage Grasses
Identifying Late Season Foliar Diseases in Forage Grasses - News News
Cool, wet weather and foliar diseases. More
Figure 1. Sudden Dealth Syndrome of Soybean
Fields with Patches that Looked “Burned”: Sudden Death Syndrome of Soybean - News News
Sudden death syndrome is a fungal disease caused by Fusarium virguliforme, and can easily be mistaken for several different soybean diseases if care is not taken to identify the different symptoms. More
Extension Plant Pathologist Joins Penn State
Extension Plant Pathologist Joins Penn State - News News
Paul Esker, Extension Field Crops Plant Pathologist brings his expertise in field crop diseases in support of county educators and local producers across Pennsylvania. More
Figure 1. White mold in soybean. Photo credit: Paul Esker
What to Do if I Have White Mold in Soybean? - News News
White Mold like many soybean diseases is favored by wet weather and excess soil moisture. More